https://bugs.kde.org/show_bug.cgi?id=484677
Bug ID: 484677
Summary: Left side of transform mask is aliased
Classification: Applications
Product: krita
Version: 5.2.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tools/Transform
Assignee: krita-bugs-n...@kde.org
Reporter: grum...@grum.fr
Target Milestone: ---
Created attachment 167897
--> https://bugs.kde.org/attachment.cgi?id=167897&action=edit
video of transform weird behavior
SUMMARY
Following the KA topic
https://krita-artists.org/t/krita-transform-tool-produces-aliased-edges/87883/12?u=grum999
STEPS TO REPRODUCE
1. create a layer with square
2. add a transform mask
3. apply a X rotation of 30° (but other rotation values can generate the bug)
4. set any algorithm other than Nearest neighbor
OBSERVED RESULT
The left side is aliased
To be more precise, the left side become aliased
check video attached:
1) we can see the transformation is applied properly
2) after a second, the transformation is updated:
- left border is aliased
- all transformation seems to be moved from ~1pixel to the right
Note: if transformed layer contains data outside the document bounds, it seems
the aliasing is immediate (no delay before the weird alias)
Grum999
EXPECTED RESULT
The applied transform is properly applied, without the aliased affect (and "1px
move" effect too)
ADDITIONAL INFORMATION
Tested on Krita 4.2.8 to Krita 5.3, same problem
The delay before alias appear seems to occurs from Krita 4.4.0 (before, the
aliasing is immediate)
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